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        <title>Mustang Bio, Inc. Quarterly report pursuant to Section 13 or 15(d)</title>
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            <h3>Quarterly report pursuant to Section 13 or 15(d)</h3>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/505">Cover</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/505">Document and Entity Information</a></li>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/506">Financial Statements</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/509">Condensed Statement of Stockholders&#039; Equity</a></li>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/511">Notes to Financial Statements</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/511">Organization, Description of Business and Liquidity and Capital Resources</a></li>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/513">License, Clinical Trial and Sponsored Research Agreements</a></li>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/516">Commitments and Contingencies</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/517">Notes Payable</a></li>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/519">Stockholders&#039; Equity</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/520">Net Loss per Share</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/521">Subsequent Events</a></li>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/522">Accounting Policies</a>
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                                <a class="menu-item current" href="/sec-filings/all-sec-filings/xbrl_doc_only/523">Notes Tables</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/523">License, Clinical Trial and Sponsored Research Agreements (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/524">Property and Equipment (Tables)</a></li>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/527">Stockholders&#039; Equity (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/528">Net Loss per Share (Tables)</a></li>
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                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/529">Notes Details</a>
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                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/529">Organization, Description of Business and Liquidity and Capital Resources (Details Textual)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/530">Significant Accounting Policies (Details Textual)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/531">License, Clinical Trial and Sponsored Research Agreements (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/532">License, Clinical Trial and Sponsored Research Agreements (Details Textual)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/533">Related Party Agreements (Details Textual)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/534">Property and Equipment (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/535">Property and Equipment (Details Textual)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/536">Notes Payable (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/537">Notes Payable (Details Textual)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/538">Leases (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/539">Leases (Details 1)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/540">Leases (Details 2)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/541">Leases (Details 3)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/542">Leases (Details Textual)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/543">Stockholders&#039; Equity (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/544">Stockholders&#039; Equity (Details 1)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/545">Stockholders&#039; Equity (Details 2)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/546">Stockholders&#039; Equity (Details 3)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/547">Stockholders&#039; Equity (Details Textual)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/548">Net Loss per Share (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/549">Subsequent Events (Details Textual)</a></li>
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                <h4>Net Loss per Share (Tables)</h4>
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